How many patents does
Guoguang Electric Company have?
patents
221
families
173
granted
30
applications
191
CN
191
US
15
EP
5
JP
4
WO
3
KR
2
RoW
1
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Guoguang Electric Company
Top ten assignees appearing on patents
2009 - 2018
2009
| guoguang electric company | 5 |
2018
| guoguang electric company | 5 |
Guoguang Electric Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| loudness-based audio-signal compensation | 11 | 2015 |
| method for preparing graphene-based lifepo4/c composite material | 10 | 2012 |
| addition of virtual bass in the time domain | 6 | 2015 |
| addition of virtual bass in the frequency domain | 5 | 2015 |
| method for mixing down multiple channels into 3-channel surrounding sound | 3 | 2010 |
| manufacturing method of arc lithium ion battery | 2 | 2014 |
| speaker vibration film made of non-wood fibers and manufacture process thereof | 2 | 2009 |
| centering disk for loudspeaker | 2 | 2010 |
| device and method for automatically detecting air leakage of loudspeakers | 2 | 2014 |
| wall-mounted television sub-low speaker system with expandable standard interface | 2 | 2014 |